Ultraviolet Flowers

Senecio aquaticus Hill.
Senecio aquaticus. Visible light
Visible light
(L37C filter)
Senecio aquaticus. UV light
UV light
(U-330 + BG-38, SB-140)
Both images: Nikon D70 , UV-Nikkor 105 mm f/4.5 @200 ISO

© Bjørn Rørslett/NN

Marsh Ragwort is quite similar to the Common Ragwort (S. jacobea) as far as UV marks are concerned, but the UV guide is even stronger and more well-developed. Also, the ray florets reflect intensively in ultraviolet light.

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Last Update 19 August, 2005